398223431

Names of 398223431

• Cardinal: 398223431 can be written as Three hundred ninety-eight million, two hundred twenty-three thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 3.98223431 × 10⁸

Factors of 398223431

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 398223431

Divisors of 398223431

• Number of divisors d(n): 2
• Complete list of divisors:
  1 398223431
• Sum of all divisors σ(n): 398223432
• Sum of proper divisors (its aliquot sum) s(n): 1
• 398223431 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 398223430

Bases of 398223431

• Binary: 10111101111000110100001000111₂
• Hexadecimal: 0x17BC6847
• Base-36: 6L3B5Z

Squares and roots of 398223431

• 398223431 squared (398223431²) is 158581900997411761
• 398223431 cubed (398223431³) is 63151028709691633585171991
• The square root of 398223431 is 19955.5363495949
• The cube root of 398223431 is 735.7138581041

Scales and comparisons

• 398,223,431 seconds is equal to 12 years, 34 weeks, 3 days, 1 hour, 37 minutes, 11 seconds.
• To count from 1 to 398,223,431 would take you about eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 398223431 cubic inches would be around 61.3 feet tall.

Recreational maths with 398223431

• 398223431 backwards is 134322893
• The number of decimal digits it has is: 9
• The sum of 398223431's digits is 35
• More coming soon!